package com.atguigu.facade;

public class TheaterLight {
    private static TheaterLight instance;

    static {
        instance = new TheaterLight();
    }

    public static TheaterLight getInstance() {
        return instance;
    }

    public void on() {
        System.out.println("theaterLight on");
    }

    public void off() {
        System.out.println("theaterLight off");
    }

    public void dim() {
        System.out.println("theaterLight dim");
    }

    public void bright() {
        System.out.println("theaterLight bright");
    }
}
